Kathleen Horst, M.D.
NPI 1144385386 · Radiation Oncology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Horst, M.D. is a Radiation Oncology Physician provider in Stanford, CA (NPI 1144385386).
Provider details
- NPI number
- 1144385386
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A72961 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,298 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Design and Construction of Complex Radiation Treatment Device77334 | 299 | $70 |
| Calculation of Radiation Therapy Dose77300 | 264 | $38 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 162 | $222 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 92 | $52 |
| Complex Radiation Therapy Planning77263 | 76 | $193 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 67 | $44 |
| 3d Radiation Therapy Planning |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kathleen Horst's NPI number?
- Kathleen Horst's National Provider Identifier (NPI) is 1144385386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Horst's specialty?
- Kathleen Horst is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Horst located?
- Kathleen Horst's practice location on file with NPPES is 875 Blake Wilbur Dr, Stanford, CA 94305.
- What is Kathleen Horst's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Horst is (650) 736-7715.
- Does Kathleen Horst accept Medicare?
- Kathleen Horst is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Horst's NPI active?
- Yes — Kathleen Horst's NPI (1144385386) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.